If you want to re-arrange your perennial garden, the best time to transplant Asiatic lilies is in the early fall. This gives them time to get adjusted to their new home long before hot summer weather arrives again. Lilies aren’t overly particular about the soil they grow in as long as it is well drained. They like full sun but some varieties produce flowers in partial shade.
Things You'll Need
- Bone meal
- Garden claw
- Garden clippers
- Protective winter mulch
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Prepare new planting site. Dig a 12 inch hole and set the soil aside. Add as much garden compost as you can to the removed soil and mix well. (It’s not an exact science, and any amount of compost you add will enrich the soil.)
Add bone meal to the bottom of the planting hole in the amount recommended by its manufacturer. Scratch it in with your garden claw.
Dig up the lilies to be transplanted. Cut the stems down by about a third, using garden clippers.
Add the improved soil to the bottom of the planting holes so the lilies will be growing at the same level. Place the bulbs on top of the improved soil and add additional soil around the bulbs. Firm with your hands until the bulbs stand up unassisted.
Water the entire bed with an overhead sprinkler or soaker hose.
Mulch bed with an organic material, such as buckwheat hulls or shredded bark.
Cut off plant stalks when they are killed by frost.
Add a protective winter mulch just before the ground freezes. Use pine boughs, hay, or autumn leaves applied at least eight inches thick. Remove mulch in spring when shoots begin to poke through but re-cover shoots if freezing weather threatens.